zynqmp: configs: Add single nand flash mini u-boot configuration

This patch adds configuration for single nand flash mini u-boot.

Signed-off-by: T Karthik Reddy <t.karthik.reddy@xilinx.com>
Signed-off-by: Siva Durga Prasad Paladugu <siva.durga.paladugu@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>

configs/xilinx_zynqmp_mini_nand_single_defconfig

+CONFIG_ARM=y
+CONFIG_SYS_CONFIG_NAME="xilinx_zynqmp_mini_nand"
+CONFIG_SYS_ICACHE_OFF=y
+CONFIG_ARCH_ZYNQMP=y
+CONFIG_SYS_TEXT_BASE=0x10000
+CONFIG_ENV_SIZE=0x80
+CONFIG_NR_DRAM_BANKS=1
+# CONFIG_CMD_ZYNQMP is not set
+CONFIG_FIT=y
+CONFIG_SUPPORT_RAW_INITRD=y
+# CONFIG_BOARD_LATE_INIT is not set
+# CONFIG_DISPLAY_CPUINFO is not set
+CONFIG_BOARD_EARLY_INIT_R=y
+# CONFIG_CMDLINE_EDITING is not set
+# CONFIG_AUTO_COMPLETE is not set
+# CONFIG_SYS_LONGHELP is not set
+# CONFIG_AUTOBOOT is not set
+# CONFIG_CMD_BDI is not set
+# CONFIG_CMD_CONSOLE is not set
+# CONFIG_CMD_BOOTD is not set
+# CONFIG_CMD_BOOTM is not set
+# CONFIG_CMD_BOOTI is not set
+# CONFIG_CMD_GO is not set
+# CONFIG_CMD_RUN is not set
+# CONFIG_CMD_IMI is not set
+# CONFIG_CMD_XIMG is not set
+# CONFIG_CMD_EXPORTENV is not set
+# CONFIG_CMD_IMPORTENV is not set
+# CONFIG_CMD_EDITENV is not set
+# CONFIG_CMD_SAVEENV is not set
+# CONFIG_CMD_ENV_EXISTS is not set
+# CONFIG_CMD_CRC32 is not set
+# CONFIG_CMD_DM is not set
+# CONFIG_CMD_FLASH is not set
+# CONFIG_CMD_LOADB is not set
+# CONFIG_CMD_LOADS is not set
+# CONFIG_CMD_ECHO is not set
+# CONFIG_CMD_ITEST is not set
+# CONFIG_CMD_SOURCE is not set
+# CONFIG_CMD_SETEXPR is not set
+# CONFIG_MP is not set
+# CONFIG_PARTITIONS is not set
+CONFIG_OF_EMBED=y
+CONFIG_DEFAULT_DEVICE_TREE="zynqmp-mini-nand"
+# CONFIG_NET is not set
+# CONFIG_DM_WARN is not set
+# CONFIG_DM_DEVICE_REMOVE is not set
+# CONFIG_MMC is not set
+CONFIG_NAND=y
+CONFIG_NAND_ARASAN=y
+# CONFIG_EFI_LOADER is not set